SM-18003
5-23
EXTERNAL INPUT/OUTPUT AND FUNCTION SETTING
5.4.2.2 DescriptionofFunctionSelectionItem
(1) Cancellation of Heating Temperature Compensation due to Uneven Heat Load (b1)
Thisfunctionisutilizedwhenthesettingtemperatureofthewiredcontrollerandtheinletair
temperatureoftheindoorunitarerequiredtobeequal.
Thisisusefulwhentheinletairthermistorisrelocatedtotheoutsideoftheindoorunit.
(2) Circulator Function during Heating Thermo-OFF (b2)
Inthestandardfactorysetting,theairowvolumechangesto“LOW”automaticallytopreventacold
draftduringheatingThermo-OFF.
Therefore,theairowmightnotbedistributeduniformlyintheroomdependingontheinstallation
locationoftheairconditionerorroomstructure.Insuchcase,itisrecommendedtoutilizethis
function.
ThefunctionkeepstheairowvolumeduringThermo-OFFatthesamelevelasduringThermo-ON.
TheairowintheroomiskeptatthesamelevelasduringThermo-ONandsotheroomtemperature
willbeuniformly-distributed.Ifusingtheairconditionerwithautoswingfunction,theautoswing
functionwillbeactivatedevenduringheatingThermo-OFF.
NOTE:
Thetemperaturesensibilityanddemandsforairowdistributiondifferdependingontheperson.Itis
thereforerecommendedtodiscussthesematterswithcustomersthoroughlyandthentoinstallthe unit
accordingly.
(3) Not Prepared (b3)
(4) Change of Filter Cleaning Time (b4)
Theperiodbeforeltersignindicationissetaccordingtoindoorunitmodelbeforeshipment.
Theltersign(“FLTR”onwiredcontroller)isindicatedaccordingtotheltercleaningtime(Factory
Setting).However,thisltercleaningtimecanbechangeddependingontheconditionofthelteras
showninthetablebelow.
Period for
FilterSignIndication
Approx.
1,200 hrs.
Approx.
100 hrs.
Approx.
1,200 hrs.
Approx.
2,500 hrs.
No Indication
LiquidCrystalDisplay
onWiredController
00
(FactorySetting)
01 02 03 04
NOTE:
While“ControlbyExternalInput”isvalid,theltersignwillbe“NoIndication”iftheexternalinputis
disconnected.
(5) Fixing of Operation Mode (b5)
Thisfunctionisutilizedwhentheoperationmodeisnotrequiredtobechanged.
Whenthisfunctionisvalid,thesetoperationmodecannotbechangedbythewiredcontroller.
(6) Fixing of Setting Temperature (b6)
Thisfunctionisutilizedwhensettingtemperatureisnotrequiredtobechanged.
Whenthisfunctionisvalid,thesettingtemperaturecannotbechangedbythewiredcontroller.
SettingTemperatureforRoomTemperatureControlduringHeating
SettingCondition ActualControlTemperature
00(Standard) WiredControllerSettingTemperature(IndicatedValue)+7
o
F(+4
o
C)
01 WiredControllerSettingTemperature(IndicatedValue)
02 WiredControllerSettingTemperature(IndicatedValue)+3
o
F(+2
o
C)
03 WiredControllerSettingTemperature(IndicatedValue)+5
o
F(+3
o
C)
04 WiredControllerSettingTemperature(IndicatedValue)+2
o
F(+1
o
C)
NOTE:
Themaximumsettingtemperatureaftercorrectionisasfollows.
Inverter Multi Unit: 94
o
F (34
o
C)